PSR-A1000
12
LSI PIN DESCRIPTION
HD63266F (XI939A00) FDC ··············································································································· 12
µ
PD789022GB-A15-8E (XZ560100) CPU KBS ················································································· 12
HD6417709F80B (XV250B00) CPU ··································································································· 13
HG73C205AFD (XU947C00) SWX00B ······························································································ 14
S1D13305F00B100 (XQ595A00) LCDC ···························································································· 15
AD1854JRSRL (XY782A00) DAC ······································································································ 15
PIN
NO.
I/O
FUNCTION
NAME
PIN
NO.
I/O
FUNCTION
NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
8"//5"
XTALSET
/RESET
E//RD
RW//WR
/CS
/DACK
RS0
RS1
VSS1
VSS2
D0
D1
D2
D3
D4
D5
D6
D7
/DREQ
/IRQ
/DEND
VSS3
1/2 EX1
VCC1
NUM1
NUM3
IFS
SFORM
/INP
/READY
/WPRT
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
I
I
I
I
I
I
Data transmission speed
Clock select
Rest
Enable/Read
Read/write/Write
Chip select
DMA acknowledge
Register select
Ground
Data bus
DMA request
Interrupt request
Data end
Ground
Power supply
Host interface select
Format data
Index pulse
Ready from FDD
Write control signal
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/TRKO
/INDEX
/RDATA
XTAL2
EXTAL2
NC
XTAL1
EXTAL1
VSS4
VSS5
NC
VCC2
VCC3
VCC4
/WGATE
/WDATA
VSS6
/STEP
/HDIR
/HLOAD
/HSEL
VSS7
/DS0
/DS1
/DS2
/DS3
VSS8
/MON0
/MON1
/MON2
/MON3
VSS9
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Track 00 signal
Index signal
Read data input from FDD
Clock
Clock
Ground
Power supply
Write control
Writ data to FDD
Ground
Step signal to control head of FDD
Direction
Head load
Head select
Ground
Drive select
Ground
Motor on
Ground
HD63266F (XI939A00) FDC (Floppy Disk Controller)
DM: IC300
PIN
NO.
I/O
FUNCTION
NAME
PIN
NO.
I/O
FUNCTION
NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
P12
P11
P10
P47/KR7
P46/KR6
P45/KR5
P44/KR4
P43/KR3
P42/KR2
P41/KR1
P40/KR0
NC
IC
X2
X1
VSS0
VDD0
/RESET
P53
P52
P51/TO2
P50/TI0/TO0
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I/O
I/O
I/O
I/O
Port 1
Port 4/Key return signal detection input
Internally connected (N.C.)
Clock
Ground
Power supply
System reset
Port 5
Port 5/16-bit timer output
Port 5/External count clock input to 8-bit timer/8-bit timer output
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
P32/INTP2/CPT2
P31/INTP1
P30/INTP0
P22/RXD/SI0
P21/TXD/SO0
P20/ASCK//SCK0
P07
P06
P05
P04
P03
P02
P01
P00
NC
VDD1
VSS1
P17
P16
P15
P14
P13
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Port 3/External interrupt input/Capture edge input
Port 3/External interrupt input
Port 2/Asynchronous serial interface serial data input/Serial interface serial data input
Port 2/Asynchronous serial interface serial data output/Serial interface serial data output
Port 2/Asynchronous serial interface serial clock input/Serial interface serial clock
Port 0
Power supply
Ground
Port 1
µPD789022GB-A15-8E (XZ560100) CPU KBS
MKS5F: IC1
